generator cord
Skip itSoft demand (-67.4% this quarter) — this niche doesn't clear our bar today.
Price range
Incredible$24.66–$85.35cheapest to priciest tracked listing — scored on the share inside $15–$100
Avg price
Great$51.54avg listing price — sweet spot $15–$100
Review moat
Good1,036avg incumbent reviews — the moat a new listing must climb
Competition
Good48%top-5 click share — leaders hold, buyers still browse
Market size
Good$511K$511K/yr · 331K searches
Brand share
Good71%top-5 brand share — brands hold most of the demand
Returns
Okay3.0%return rate — above 5% kills the launch gate
Conversion
Okay3.0%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.8★avg incumbent rating — lower means beatable quality
Growth
Bad-67.4%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United States niche tracking, generator cord is a $511K/yr Amazon United States market (331K searches/yr). The top 5 brands hold 71% of demand. Demand peaks in Jan–Oct. Verdict: Skip it — 47/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
generator cord market data
- Units sold / yr
- 10K–13K
- avg 250–500/product
- Revenue / yr
- $515K–$644K
- units × avg price
- Conversion rate
- 3.0%
- Avg BSR
- #81
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 91%
- Out of stock
- 4.0%
- Avg brand age
- 56 months
- Avg seller age
- 177 days
Competition & brand share
The top 5 products take 48% of clicks — established leaders, but buyers still shop beyond them.Brands
18 falling
Sellers
52
Top-5 brand share
71%
Top 20: 100%
Top-5 click share
48%
Top 20: 84%
Open market
25%
- PlugSaf23%
- Southwire21%
- Vockjour12%
- Champion Power Equipment9%
- GEARit6%
- RVGUARD4%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -67.4% search growth over the last 90 days.Peak months: Jan, Oct · busiest ÷ quietest = 5.6×
Top generator cord search terms
- 30 amp generator cord120K/yr
- generator extension cord43K/yr
- l14-30 generator cord32K/yr
- 30amp generator cord26K/yr
- generator cord 30 amp 4 prong19K/yr
- 4 prong generator cord10K/yr
- 30a generator cord8K/yr
- male to male generator cord9K/yr
- l14-30 extension cord5K/yr
- l14-30r generator cord6K/yr
Top generator cord products on Amazon
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
Southwire Generator Cord - 10-Gauge Heavy Duty Electrical Power Cable with L14-30 Locking Plug & Receptacle - Dual Voltage 125V/250V - Molded Connectors - Weather Resistant - Yellow & Black - 20 Feet
Southwire$48.364.8★1,168 rev
PlugSaf 25FT 30 Amp Generator Extension Cord 4 Prong NEMA L14-30P/L14-30R 10 Gauge STW 125/250V Twist Lock Generator Cord Heavy Duty Black ETL Listed
PlugSaf$48.214.8★583 rev
PlugSaf 50FT 30 Amp Generator Extension Cord 4 Prong NEMA L14-30P/L14-30R 10 Gauge STW 125/250V Twist Lock Generator Cord Heavy Duty Yellow ETL Listed
PlugSaf$81.624.8★893 rev
25FT 30 Amp Generator Cord Outdoor Heavy Duty 4 Prong Extension Cord with Twist Lock NEMA L14-30P/L14-30R 30A 125/250V 10 Gauge STW for Home Emergencies RVs ETL Listed Yellow
Vockjour$54.964.8★103 rev
50FT 30 Amp Generator Cord Outdoor Heavy Duty 4 Prong Extension Cord with Twist Lock NEMA L14-30P/L14-30R 30A 125/250V 10 Gauge STW for Home Emergencies RVs ETL Listed Yellow
Vockjour$84.914.8★103 rev
Newest
by launch date25FT 30 Amp Generator Cord Outdoor Heavy Duty 4 Prong Extension Cord with Twist Lock NEMA L14-30P/L14-30R 30A 125/250V 10 Gauge STW for Home Emergencies RVs ETL Listed Yellow
Vockjour$54.96103 rev
50FT 30 Amp Generator Cord Outdoor Heavy Duty 4 Prong Extension Cord with Twist Lock NEMA L14-30P/L14-30R 30A 125/250V 10 Gauge STW for Home Emergencies RVs ETL Listed Yellow
Vockjour$84.91103 rev
EP 10 Ft 30-Amp Generator Extension Cord 4-Prong 125/250V 7500W NEMA L14-30P/R 10 Gauge SJTW Locking Power Cord for Transfer Switch Portable Generators Green
EP$29.6232 rev
Champion Power Equipment 2 ft. 30A 250V Generator Adapter Cord
Champion Power Equipment$35.4814 rev
Kohree 10FT 30 Amp Generator Extension Cord 4 Prong NEMA L14-30P/L14-30R Generator Power Locking Cord for Manual Transfer Switch Electric Extension Wire 10 Gauge 125/250V 7500W with Cord Organizer
Kohree$30.201,541 rev
Trending
90-day click momentumEP 10 Ft 30-Amp Generator Extension Cord 4-Prong 125/250V 7500W NEMA L14-30P/R 10 Gauge SJTW Locking Power Cord for Transfer Switch Portable Generators Green
EP$29.624.5★
Champion Power Equipment 2 ft. 30A 250V Generator Adapter Cord
Champion Power Equipment$35.485.0★
Southwire Generator Cord - 10-Gauge Heavy Duty Electrical Power Cable with L14-30 Locking Plug & Receptacle - Dual Voltage 125V/250V - Molded Connectors - Weather Resistant - Yellow & Black - 10 Feet
Southwire$32.874.8★
Kohree 10FT 30 Amp Generator Extension Cord 4 Prong NEMA L14-30P/L14-30R Generator Power Locking Cord for Manual Transfer Switch Electric Extension Wire 10 Gauge 125/250V 7500W with Cord Organizer
Kohree$30.204.8★
RVMATE 30 Amp Generator Cord 4 Prong 25 Feet
RVMATE$47.944.8★
What buyers say about generator cord
What buyers praise and complain about, mined from review topics.What buyers love
“high-quality cord”
“As advertised”
“Great deal”
“Very good,heavy duty”
“Feels very sturdy”
“Very durable”
“Great cord”
“is very flexible”
“easy to assemble”
“Perfect Fit”
What buyers complain about
“Bad quality”
“Overheats quickly under full load”
“not the right cord for out door generator”
“might be short for others”
“loose connection”
“The terminal screw tightening mechanism is poor quality”
“Awful product doesnt work terrible broken”
“it is so far past heavy duty”
“Less extension cotds used”
“sparks and smoke”
Top return reasons
Common questions
- Is generator cord profitable to sell on Amazon United States?
- The niche generates $511K/yr across 33 tracked products. 2 of 2 products launched in the last 360 days are still selling. 90-day search growth is -67.4%. Flapen's verdict: Skip it (47/100).
- How competitive is the generator cord niche?
- 18 brands and 52 sellers compete. The top 5 products take 48% of clicks and top 5 brands hold 71% of demand.
- What do buyers complain about in generator cord?
- Top complaints mined from reviews: Quality-Overall, Heating, Socket/Port/Plug. The return rate is 3.0%.
- When does demand for generator cord peak?
- Demand peaks in Jan–Oct; the busiest month runs 5.6× the quietest.
- What does it cost to enter the generator cord niche?
- Listings span $24.66–$85.35; the average listing price is $51.54 (sweet spot $15–$100). The average incumbent carries 1,036 reviews — the moat a new listing must climb.